Left 4 Dead 2

Left 4 Dead 2

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Eocene Jul 19, 2021 @ 6:34am
Technical issue on Linux since the June update
Hi,

I have over 1500+ hours in the game. I'm playing the game on Ubuntu Linux.

Ever since the update (16th of June I think), I am experiencing a peculiar technical problem I never had before.

The glitch often occurs when gameplay gets frantic, I suspect it is related to entity limits or something similar? It almost always occurs whenever fire ammo is being used, but I (rarely) seen it occur without fire ammo as well.

Basically, whenever the glitch is triggered, things and surfaces start to disappear from the map (even though collisions with them still occur).

Usually a short while later, the game crashes.

Yesterday I managed to reach the safehouse while the glitch was occurring. When the next map loaded, everything was fine again, so I didn't experience the crash.

I usually play with the same group of friends, most of whom have a lot more mods installed than I do, and they never have this problem.

Is this a known problem? Anyone else experiencing it too?
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Showing 1-6 of 6 comments
Tsuey Jul 20, 2021 @ 10:23am 
This description generally sounds like an entity limit crash, but I can't see how fire ammo would be the cause in terms of the vanilla game. Normally this would only happen on a regular basis if it's an issue with a custom map or the server might be running a buggy SourceMod plugin.

If you type "sm plugins all" into console, then hit enter, how many plugins are installed? It's possible one may need updating, etc. Sorry if it's not that, but we'll probably need more information.
Eocene Jul 21, 2021 @ 2:23am 
I exclusively play on my own dedicated 8 player server, usually with the same group of friends. I often experience the bug, my friends never. As far as I know I'm the only Linux player.

These are the SourceMod plugins currently installed:

[SM] Listing 44 plugins:
01 "Custom Player Stats" (1.4B121) by Mikko Andersson (muukis)
02 "[L4D2]Survivor_Legs_Restore" (1.5.2) by Lux
03 "Sound Commands" (1.10.0.6503) by AlliedModders LLC
04 "Machine" (1.07) by Pan Xiaohai
05 "Client Preferences" (1.10.0.6503) by AlliedModders LLC
06 "Country Nick Plugin" (1.1.1) by Antoine LIBERT aka AeN0
07 "China Qing Gong" (1.1.4) by pan xiaohai
08 "[L4D2] Weapon Unlock" (0.8.9) by Crimson_Fox & AtomicStryker
09 "[L4D2] Improved Prevent M60 Drop" (1.7) by MasterMind420, Ludastar, DeathChaos25
10 "[L4D & L4D2] Left 4 DHooks Direct" (1.49) by SilverShot
11 "Player Commands" (1.10.0.6503) by AlliedModders LLC
12 "L4D Ledge Release" (1.4.3) by AltPluzF4, maintained by Madcap
13 "Admin Menu" (1.10.0.6503) by AlliedModders LLC
14 "Admin File Reader" (1.10.0.6503) by AlliedModders LLC
15 "[L4D] Black and White Notifier" (1.7r2) by DarkNoghri, madcap (recoded by: retsam), Merudo
16 "Basic Ban Commands" (1.10.0.6503) by AlliedModders LLC
17 "[L4D/L4D2] Pills Pass Fix" (1.2) by MasterMind420
18 "ThirdPersonShoulder_Detect" (1.5.3) by MasterMind420 & Lux
19 "[L4D2]Defib_Fix" (2.0.1) by Lux
20 "Reserved Slots" (1.10.0.6503) by AlliedModders LLC
21 "Basic Votes" (1.10.0.6503) by AlliedModders LLC
22 "[L4D2] Pour Gas" (1.13) by SilverShot
23 "[L4D2] CSM The Passing Fix" by DeathChaos25, Merudo
24 "[L4D1 & L4D2] Tank Show HP" (1.2) by Alex Dragokas
25 "Basic Chat" (1.10.0.6503) by AlliedModders LLC
26 "L4D2 Keep Lasers" (1.3) by dcx2 (assist: Mr. Zero) - 2020 by SilverShot
27 "[L4D2] Incapped Crawling with Animation" (2.8) by SilverShot, mod by Lux
28 "L4D Server World Wide Rank" (0.1) by .Rain
29 "Admin Help" (1.10.0.6503) by AlliedModders LLC
30 "Fun Votes" (1.10.0.6503) by AlliedModders LLC
31 "ABM" (0.1.95) by Victor "NgBUCKWANGS" Gonzalez
32 "Basic Info Triggers" (1.10.0.6503) by AlliedModders LLC
33 "[L4D & L4D2] Gear Transfer" (2.13) by SilverShot
34 "L4D2 Gun Control" (1.1.3) by AtomicStryker
35 "Scene Processor" (1.0.1) by Buster "Mr. Zero" Nielsen
36 "[L4D1/2] Survivor Identity Fix for 5+ Survivors" (1.6) by Merudo, Shadowysn
37 "[L4D2] Custom admin commands" (1.0.9) by honorcode23
38 "Survivor Chat Select" (1.6.1) by DeatChaos25, Mi123456 & Merudo
39 "Anti-Flood" (1.10.0.6503) by AlliedModders LLC
40 "Basic Comm Control" (1.10.0.6503) by AlliedModders LLC
41 "Survivor set enforcer" (1.0)
42 "Fun Commands" (1.10.0.6503) by AlliedModders LLC
43 "Basic Commands" (1.10.0.6503) by AlliedModders LLC
44 "[ANY] Attachments API" (1.6) by SilverShot

It definitely seems to occur more in custom maps we play, I will try to trigger it in official ones. Like I said, it almost always occurs when fire ammo is being used and stuff gets hectic (but only for me).

The 16/06 update initially broke Linux compatibility with L4DToolz because of the change of symbols, but an updated version was released shortly thereafter with the symbol changes.

In the meantime another L4DToolz update was published (https://github.com/Accelerator74/l4dtoolz/releases/tag/1.1.0.1), I just installed it and will test some more.

Strange though that none of my Windows using friends experience this issue.
satan Jul 31, 2021 @ 3:09pm 
I'm having the same issue on PopOS here. It's really annoying. It happens no matter what, even on official servers.

By the way, are you using vulkan? OpenGL works like sh1t to me so the vulkan update was a godsent, but now I have to choose between l4d1 maps that always look way too dark and with sh1tty performance or go with vulkan and experience these crashes every time. It pisses me the hell off.
Last edited by satan; Jul 31, 2021 @ 3:09pm
Ho99o9 Jan 21, 2024 @ 4:13pm 
Any solutions??
Eocene Jan 21, 2024 @ 9:05pm 
Three years later and the problem is still there.

Instead of an Nvidia laptop, I'm on a semi-cutting edge AMD desktop now. It is 100% certain a bug in the Linux client.
Wren Jan 21, 2024 @ 11:16pm 
This thread was quite old before the recent post, so we're locking it to prevent confusion.
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Date Posted: Jul 19, 2021 @ 6:34am
Posts: 6